Which of the following statements about `KeyboardInterrupt` is TRUE?

It is raised when the user interrupts program execution, usually by pressing Ctrl+C.

It is raised when a key is not found in a dictionary.

It is a subclass of ArithmeticError.

It is used to handle mathematical errors.

You are writing a function that processes a list of numbers and you want to handle both `IndexError` and `ValueError`. Which of the following is the best way to catch both exceptions?

```python try: # code except (IndexError, ValueError): # handle error ```

```python try: # code except IndexError or ValueError: # handle error ```

```python try: # code except IndexError and ValueError: # handle error ```

```python try: # code except Exception: # handle error ```

A student writes the following code: ```python try: int("hello") except ValueError: print("ValueError caught") ``` Explain why `ValueError` is the correct exception to catch in this case.

Because `int()` raises a `ValueError` when the string cannot be converted to an integer.

Because `int()` raises a `TypeError` for invalid strings.

Because `int()` raises a `KeyError` for invalid strings.

Because `int()` raises an `IndexError` for invalid strings.

You are debugging a program and want to ensure that it does not terminate when a user presses Ctrl+C. Which exception should you catch, and what is a potential consequence of catching it?

Catch `KeyboardInterrupt`; the program will not terminate on Ctrl+C, but this may prevent the user from stopping the program when needed.

Catch `SystemExit`; the program will not terminate on Ctrl+C.

Catch `ArithmeticError`; the program will not terminate on Ctrl+C.

Catch `KeyError`; the program will not terminate on Ctrl+C.

Consider the following code: ```python try: import sys sys.exit() except Exception: print("Exception caught") except SystemExit: print("SystemExit caught") ``` What will be printed when this code is executed?

Both "Exception caught" and "SystemExit caught"

A function receives a dictionary and a key as arguments. Write a code snippet that returns the value for the key if it exists, and returns "Not found" if the key does not exist, using exception handling. Which of the following is the correct implementation?

```python def get_value(d, key): try: return d[key] except KeyError: return "Not found" ```

```python def get_value(d, key): try: return d[key] except IndexError: return "Not found" ```

```python def get_value(d, key): if key in d: return d[key] else: return "Not found" ```

```python def get_value(d, key): try: return d.get(key) except KeyError: return "Not found" ```

PCEP Section 4C: Python Built-In Exceptions Hierarchy

Authored by Misti McDaniel

Computers

12th Grade

Used 1+ times

PCEP Section 4C: Python Built-In Exceptions Hierarchy

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the top-most class in Python’s built-in exception hierarchy?

Exception

BaseException

SystemExit

RuntimeError

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the direct parent class of the `IndexError` exception in Python?

LookupError

ValueError

ArithmeticError

Exception

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which exception is raised when the `del` statement is used on a dictionary key that does not exist?

IndexError

KeyError

ValueError

TypeError

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following exceptions is NOT a subclass of `Exception`?

SystemExit

ValueError

TypeError

IndexError

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which exception is raised when an operation or function is applied to an object of inappropriate type?

ValueError

TypeError

KeyError

LookupError

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes an "abstract exception" in Python’s built-in exception hierarchy?

An exception that cannot be instantiated directly and is meant to be subclassed.

An exception that is only used for mathematical errors.

An exception that is raised for keyboard interrupts.

An exception that is used for system exit events.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suppose you have the following code: ```python try: print(1 / 0) except Exception as e: print("Caught:", type(e).name) ``` What will be printed?

Caught: ArithmeticError

Caught: ZeroDivisionError

Caught: ValueError

Caught: TypeError

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PCEP Section 4C: Python Built-In Exceptions Hierarchy

Which of the following is the top-most class in Python’s built-in exception hierarchy?

What is the direct parent class of the `IndexError` exception in Python?

Which exception is raised when the `del` statement is used on a dictionary key that does not exist?

Which of the following exceptions is NOT a subclass of `Exception`?

Which exception is raised when an operation or function is applied to an object of inappropriate type?

Which of the following best describes an "abstract exception" in Python’s built-in exception hierarchy?

Suppose you have the following code: ```python try: print(1 / 0) except Exception as e: print("Caught:", type(e).name) ``` What will be printed?

Which of the following exceptions is a direct subclass of `ArithmeticError`?

Given the following code: ```python try: d = {"a": 1} print(d["b"]) except LookupError: print("LookupError caught") ``` What will be the output?

Which of the following statements about `KeyboardInterrupt` is TRUE?

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PCEP Section 4C: Python Built-In Exceptions Hierarchy

Which of the following is the top-most class in Python’s built-in exception hierarchy?

What is the direct parent class of the `IndexError` exception in Python?

Which exception is raised when the `del` statement is used on a dictionary key that does not exist?

Which of the following exceptions is NOT a subclass of `Exception`?

Which exception is raised when an operation or function is applied to an object of inappropriate type?

Which of the following best describes an "abstract exception" in Python’s built-in exception hierarchy?

Suppose you have the following code: ```python try: print(1 / 0) except Exception as e: print("Caught:", type(e).__name__) ``` What will be printed?

Which of the following exceptions is a direct subclass of `ArithmeticError`?

Given the following code: ```python try: d = {"a": 1} print(d["b"]) except LookupError: print("LookupError caught") ``` What will be the output?

Which of the following statements about `KeyboardInterrupt` is TRUE?

Access all questions and much more by creating a free account

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Popular Resources on Wayground

Suppose you have the following code: ```python try: print(1 / 0) except Exception as e: print("Caught:", type(e).name) ``` What will be printed?